package com.yhsimon.thread;

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.FutureTask;

public class TreeWays {
    public static void main(String[] args) {
        new MyThread1().start();

        new Thread(new MyThread2()).start();

        //实现Callable接口 执行方式2
        FutureTask<Integer> futureTask=new FutureTask<>(new MyThread3());
        new Thread(futureTask).start();

        try {
            Integer rs=futureTask.get();
            System.out.println(rs);
        } catch (InterruptedException e) {
            e.printStackTrace();
        } catch (ExecutionException e) {
            e.printStackTrace();
        }
    }
}

//1.继承Thread
class MyThread1 extends Thread{
    @Override
    public void run() {
        System.out.println("thread1");
    }

}

//2.实现Runnable接口
class MyThread2 implements Runnable{

    @Override
    public void run() {
        System.out.println("thread2");
    }
}

//3.实现Callable接口
class MyThread3 implements Callable<Integer>{

    @Override
    public Integer call() throws Exception {
        System.out.println("thread3");
        return 100;
    }
}